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graphic point. showing a pen and pen-sheath applied to the UNITED@Frict- CHARLES H. DOWNES, OF JERSEY CITY, NEW JERSEY.

STYLOGRAPHIC FOU NTAlN-PEN.

SPECIFICATION forming part of Letters ,Paten-t No. 236,877, datedJanuary l2.5, 18, 81.

Application filed November 15, 181:30. (No model.)

To all whom it may concern Be it known that I, CHARLES H. DowNEs, ofJersey City, in the county of Hudson and State ot' New Jersey, haveinvented certain new and useful Improvements in StylographicFountain-Pens and Fountain-Pen Holders, of which the following is aspecification.

My invention relates to improvements in writing-instruments of thefountain kind; and it is applicable to stylographic fountain-pens and tofountain-holders which are adapted for receiving the ordinarrWriting-pens.

My invention consists, mainly, in a handle for a Writing-instrumentwhich is formed of two tubular ink-receptacles, one within the other,the inner receptacle bein g provided with apertures for receivingexternal air, and also with an aperture for allowing ink from the outerreceptacle to iiow into said inner receptacle and out ot' the same, forsupplying the writing-point with ink, as will be hereinafter explained.

The invention also consists in novel means for adjusting the tension ofthe needle-spring, and also for adjusting the needle to theWriting-point of the point-section, as will be hereinafter explained. Iattain these objects by means shown in the annexed drawings, in which-Figure 1 is a diametrical section through the improved pen-holder,having a stylographic writing-point on one end and a sheath on the otherend, with an ink-delivery point for an ordinary writing-pen. Fig. 2 is asectional view of the inner ink-tube havin g the improved needle andspring adjusting devices applied to it. Fig. 3 is a diametrical section,showing a modification of the pen adapted for a stylo- Fig. 4 is anothermodification,

barrel and a very small air-tube at the upper end of the inner ink-tube.

Similar letters refer to similar parts throughout the several views.

In the annexed drawings, A designates the barrel or outer tube of myimproved pen-handle, and B isa small tube which is applied centrallyinside of the barrel A. This small tube B is perforated near itsextremities, at a a, for establishing a communication between itsinterior and the space @between it and the outer tube or barrel A. Theseapertures @a allow ink to flow from the reservoir e into the tube B.

I now refer to Fig. 3, which shows a stylographic writing-point, C,applied to the handle. The linner tube, B, in this Fig. 3 passesairtight through a section, D, and has the writing-point VG secured toits exposed end. The upper end of tube B is fixed to a plug, E, in theend of the barrel A, on which plug is screwed a cap, F. By slightlyunscrewing cap F air is admitted through aperture c into the smallink-tube B; but when the cap F is screwed home no air will be admittedthrough aperture c. A perforated septum, d, is shown applied in theink-space e, between the two barrels A B, lwhich will, in a measure,support the column of ink above it when the handle is full of ink. Theink which is received into the receptacle formed by the bore of tube Bflows therefrom, during the act of writing, through the writing-point C,provided air is admitted through the aperture c. This writing-point C ofFig. 3 should be provided with a needle, which may be made adjustable,as will be hereinafter explained.

Fig. 4 shows the inner tube, B, terminated in a point, d', adapted forsupplying ink to a common pen, G, iitted in a sheath, H. The tube B inthis figure (4) receives air from a smaller tube, B', supplied throughan inletaperture, c, when cap F is slightly unscrewed.

Instead of the pen-sheath H and the delivery-point d', a stylographicwriting-point, C, like that shown in Fig. 3 may be substituted.

Fig. l shows my improved fountain-handle, having on one end astylographic writingpoint or point-section, and on the other end apen-sheath, H, like the sheath shown in Fig. 4. Instead of this sheathH, a stylographic point-section may be substituted, which will afford afiner or a coarser line than the writing-point on the opposite end ofthe handle. The air is admitted into the inner ink-tube, B, of thehandle of Fig. 1 through a short tube, f, which may be located at anydesired point between the ends of the handle. The inner ink-tube, B, ofFig. l passes through a packing, h, and terminates inside of thepoint-section C, and is provided with apertures b b, for the escape ofink into this point-section.

IOO

riruma I It will be seen from the above description that I dispense withthe air-tube commonly used in stylographic fountain-pens, and utilizenearly the entire space within the barrel A as a reservoir for ink. Ihave a large external ink reservoir or feeder, e, and a smallerinkreceiver, B, from which latter the ink Hows to the Writing-point.

Fig. 2 shows my improved needle attachment, which may be applied on thelower end of the ink-tube B, as shown in this figure; or it may beapplied inside of tube B of Fig. 3, or it may be attached to thepoint-section of Fig. 1. The needle bz is loosely applied to a tube orholder, c2, and provided with a head, p. The tube c2 is screw-threaded,and is tapped into the lower end of a tube, d2, so that it is adjustableendwise therein. A screw-threaded pin, e2, is tapped through a septum,g, and is adjustable over the head of the needle b2, for regulating theamount of vertical play thereof. A spring, f2, by its recoil on theneedlehead, acts to keep the needle down on its seat. The tension ofthis spring is regulated by adjusting the tube c2 in the tube d2, andthe amount of protrusion of the point of the needle beyond thewriting-point is regulated by adjusting the tube d2 up or down on theinktube B.

1f it is desired to apply the needle attachment inside of the tube B ofFig. 3, or inside of the point-section C of Fig. 1, the external surfaceof the tube d2 may be screw-threaded, and grooves formed lengthwise init to allow the passage of ink to the writing-point.

1t will be seen that the lower extremity of the ink-reservoir e istightly closed, thus causing the ink contained init to pass through thelower perforation, a, into the ink-tube B before escaping from thewriting-point.

The letter h iu Figs. 3 and 4designates a tight contraction about theink-tube B, which is the equivalent of the packing h in Fig. 1, forclosing the lower end of the ink-rescrvoire.

What 1 claim as my invention is 1. A fountain pen holder formed of twotubes, A and B, having the chamber e closed at h, and the ink tube Bperforated at a a, substantially as described.

2. A writing-instrument in combination with the packing h, theperforated ink-tube B, and the external ink-chamber formed by the outertube or case, A, substantially as described.

3. For a fountain-pen, a needle, b2, loosely attached to a tube orholder, c, in combina tion with the tube d2, its adjusting-pin e2, andtension-spring f 2, substantially as described.

CHARLES H. DOWNES. Witnesses GILBERT S. CLARK, Unas. L. DoWNEs.

